datamodule1.java

java在线商店的源代码。编写十分规范的哦

   * @param variant Variant
   * @param dataSetException DataSetException
   * @param errorResponse ErrorResponse
   * @throws DataSetException datasetexception
   *
   */
  void productDataSet_editError(DataSet dataSet, Column column, Variant variant, DataSetException dataSetException, ErrorResponse errorResponse) throws DataSetException{
    showErrorMsg(dataSetException.getMessage());
  }


  /**
   * Show an error dialog if error occurs during adding.
   * @param dataSet DataSet
   * @param readWriteRow ReadWriteRow
   * @param dataSetException DataSetException
   * @param errorResponse ErrorResponse
   * @throws DataSetException datasetexception
   *
   */
  void productDataSet_addError(DataSet dataSet, ReadWriteRow readWriteRow, DataSetException dataSetException, ErrorResponse errorResponse) throws DataSetException{
    showErrorMsg(dataSetException.getMessage());
  }


  /**
   * Show an error dialog if error occurs during updating.
   * @param dataSet DataSet
   * @param readWriteRow ReadWriteRow
   * @param dataSetException DataSetException
   * @param errorResponse ErrorResponse
   * @throws DataSetException datasetexception
   *
   */
  void productDataSet_updateError(DataSet dataSet, ReadWriteRow readWriteRow, DataSetException dataSetException, ErrorResponse errorResponse) throws DataSetException{
    showErrorMsg(dataSetException.getMessage());
  }



  // Customer DataSet EditEvents


  /**
   * Before adding a new customer record, get the Order ID from the
   * Server. We want the ID upfront for the Order Item records.
   * Also, copy the customer info into the ShipTo info for the
   * customer if the ShipName column is NULL.
   * @param dataSet DataSet
   * @param readWriteRow ReadWriteRow
   * @throws Exception exception
   *
   */
  void customerDataSet_adding(DataSet dataSet, ReadWriteRow readWriteRow) throws Exception{
     validateCustomerRow();

    // Call the stored procedure to get a new Customer ID
    int customerID = getNextCustomerID();
    readWriteRow.setInt("ID", customerID);

    // Copy customer info into shipto info columns
    if (readWriteRow.isNull("SHIPNAME")) {
      String custName = formatCustomerName( readWriteRow.getString("FIRSTNAME"),
                                            readWriteRow.getString("MI"),
                                            readWriteRow.getString("LASTNAME") );
      readWriteRow.setString("SHIPNAME",    custName);
      readWriteRow.setString("SHIPADDR1",   readWriteRow.getString("ADDR1"));
      readWriteRow.setString("SHIPADDR2",   readWriteRow.getString("ADDR2"));
      readWriteRow.setString("SHIPCITY",    readWriteRow.getString("CITY"));
      readWriteRow.setString("SHIPSTATE",   readWriteRow.getString("STATE"));
      readWriteRow.setString("SHIPPOSTALCODE", readWriteRow.getString("POSTALCODE"));
      readWriteRow.setString("SHIPCOUNTRY", readWriteRow.getString("COUNTRY"));
    }
  }

  /**
   * Method to get the next customer ID. This calls a stored procedure on the
   * database server spNextCustomerID that returns a single row with the next
   * Customer ID generated by the server.
   *
   * @throws Exception exception
   * @return int
   */
  private int getNextCustomerID() throws Exception {
    int result = 0;
    try {
      nextCustomerIDDataSet.open();
      nextCustomerIDDataSet.refresh();
      result = nextCustomerIDDataSet.getInt("NEXTID");
      nextCustomerIDDataSet.close();
    }
    catch (Exception ex) {
      ex.printStackTrace();
      throw ex;
    }
    return result;
  }

  /**
   * Before updating a customer row, do row-level validation.
   * @param dataSet DataSet
   * @param readWriteRow ReadWriteRow
   * @param readRow ReadRow
   * @throws Exception exception
   *
   */
  void customerDataSet_updating(DataSet dataSet, ReadWriteRow readWriteRow, ReadRow readRow) throws Exception{
    validateCustomerRow();
  }


  /**
   * Before deleting a Customer record, prompt the user to confirm delete.
   * @param dataSet DataSet
   * @throws Exception exception
*
   */
  void customerDataSet_deleting(DataSet dataSet) throws Exception{
    confirmDelete(res.getString("DM_Delete_this_customer?"));
  }

  /**
   * When a new record is added, resolve new record to the database.
   * @param dataSet DataSet
   * @throws DataSetException datasetexception
   *
   */
  void customerDataSet_added(DataSet dataSet) throws DataSetException{
    dataSet.saveChanges();
  }


  /**
   * When a record is updated, resolve updated record to the database.
   * @param dataSet DataSet
   * @throws DataSetException datasetexception
   *
   */
  void customerDataSet_updated(DataSet dataSet) throws DataSetException{
    dataSet.saveChanges();
  }


  /**
   * When a record is deleted, resolve to the database.
   * @param dataSet DataSet
   * @throws DataSetException datasetexception
   *
   */
  void customerDataSet_deleted(DataSet dataSet) throws DataSetException{
    dataSet.saveChanges();
  }

  /**
   * When canceling an edit or insert, clear the messages from
   * all status bar controls
   * @param dataSet DataSet
   * @throws Exception exception
   *
   */
  void customerDataSet_canceling(DataSet dataSet) throws Exception{
    dataSet.clearStatus();
  }


  /**
   * Show an error dialog if error occurs during editing.
   * @param dataSet DataSet
   * @param column Column
   * @param variant Variant
   * @param dataSetException DataSetException
   * @param errorResponse ErrorResponse
   * @throws DataSetException datasetexception
*
   */
  void customerDataSet_editError(DataSet dataSet, Column column, Variant variant, DataSetException dataSetException, ErrorResponse errorResponse) throws DataSetException{
    showErrorMsg(dataSetException.getMessage());
  }


  /**
   * Show an error dialog if error occurs during adding.
   * @param dataSet DataSet
   * @param readWriteRow ReadWriteRow
   * @param dataSetException DataSetException
   * @param errorResponse ErrorResponse
   * @throws DataSetException datasetexception
   *
   */
  void customerDataSet_addError(DataSet dataSet, ReadWriteRow readWriteRow, DataSetException dataSetException, ErrorResponse errorResponse) throws DataSetException{
    showErrorMsg(dataSetException.getMessage());
  }


  /**
   * Show an error dialog if error occurs during updating.
   * @param dataSet DataSet
   * @param readWriteRow ReadWriteRow
   * @param dataSetException DataSetException
   * @param errorResponse ErrorResponse
   * @throws DataSetException datasetexception
   *
   */
  void customerDataSet_updateError(DataSet dataSet, ReadWriteRow readWriteRow, DataSetException dataSetException, ErrorResponse errorResponse) throws DataSetException{
    showErrorMsg(dataSetException.getMessage());
  }

  // Order DataSet EditEvents


  /**
   * When adding a new order record, get the Order ID from the
   * Server. We want the ID upfront for the Order Item records.
   * @param dataSet DataSet
   * @param readWriteRow ReadWriteRow
   * @throws Exception exception
   *
   */
  void orderDataSet_adding(DataSet dataSet, ReadWriteRow readWriteRow) throws Exception{
    validateOrderRow();

    // call the stored procedure to get a new Order ID
    int orderID = getNextOrderID();
    readWriteRow.setInt("ID", orderID);
  }

  /**
   * Method to get the next order ID. This calls a stored procedure on the
   * database server spNextOrderID that returns a single row with the next Order
   * ID generated by the server.
   *
   * @throws Exception exception
   * @return int
   */
  private int getNextOrderID() throws Exception {
    int result = 0;
    try {
      nextOrderIDDataSet.open();
      nextOrderIDDataSet.refresh();
      result = nextOrderIDDataSet.getInt("NEXTID");
      nextOrderIDDataSet.close();
    }
    catch (Exception ex) {
      ex.printStackTrace();
      throw ex;
    }
    return result;
  }


  /**
   * Before updating an order row, do row-level validation.
   * @param dataSet DataSet
   * @param readWriteRow ReadWriteRow
   * @param readRow ReadRow
   * @throws Exception exception
*
   */
  void orderDataSet_updating(DataSet dataSet, ReadWriteRow readWriteRow, ReadRow readRow) throws Exception{
    validateOrderRow();
  }

  /**
   * When canceling an edit or insert, clear the messages from
   * all status bar controls
   * @param dataSet DataSet
   * @throws Exception exception
   *
   */
  void orderDataSet_canceling(DataSet dataSet) throws Exception{
    dataSet.clearStatus();
  }


  /**
   * Before deleting an Order record, prompt the user to confirm delete.
   * @param dataSet DataSet
   * @throws Exception exception
   *
   */
  void orderDataSet_deleting(DataSet dataSet) throws Exception{
    confirmDelete(res.getString("DM_Delete_this_order?"));
  }


  /**
   * Show an error dialog if error occurs during editing.
   * @param dataSet DataSet
   * @param column Column
   * @param variant Variant
   * @param dataSetException DataSetException
   * @param errorResponse ErrorResponse
   * @throws DataSetException datasetexception
   *
   */
  void orderDataSet_editError(DataSet dataSet, Column column, Variant variant, DataSetException dataSetException, ErrorResponse errorResponse) throws DataSetException{
    showErrorMsg(dataSetException.getMessage());
  }


  /**
   * Show an error dialog if error occurs during adding.
   * @param dataSet DataSet
   * @param readWriteRow ReadWriteRow
   * @param dataSetException DataSetException
   * @param errorResponse ErrorResponse
   * @throws DataSetException datasetexception
   *
   */
  void orderDataSet_addError(DataSet dataSet, ReadWriteRow readWriteRow, DataSetException dataSetException, ErrorResponse errorResponse) throws DataSetException{
    showErrorMsg(dataSetException.getMessage());
  }


  /**
   * Show an error dialog if error occurs during updating.
   * @param dataSet DataSet